angular.module("class.ssnau", [])
.factory("Class", function() {
        var initializing = false,
            fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/,
            Class = function(){}; // The base Class implementation (does nothing)

        // Create a new Class that inherits from this class
        Class.extend = function(prop) {
            var _super = this.prototype;

            // Instantiate a base class (but only create the instance,
            // don't run the init constructor)
            initializing = true;
            var prototype = new this();
            initializing = false;

            // Copy the properties over onto the new prototype
            for (var name in prop) {
                // Check if we're overwriting an existing function
                prototype[name] = typeof prop[name] == "function" &&
                    typeof _super[name] == "function" && fnTest.test(prop[name]) ?
                    (function(name, fn){
                        return function() {
                            var tmp = this._super;

                            // Add a new ._super() method that is the same method
                            // but on the super-class
                            this._super = _super[name];

                            // The method only need to be bound temporarily, so we
                            // remove it when we're done executing
                            var ret = fn.apply(this, arguments);
                            this._super = tmp;

                            return ret;
                        };
                    })(name, prop[name]) :
                    prop[name];
            }

            // The dummy class constructor
            function Class() {
                // All construction is actually done in the init method
                if ( !initializing && this.init )
                    this.init.apply(this, arguments);
            }

            // Populate our constructed prototype object
            Class.prototype = prototype;

            // Enforce the constructor to be what we expect
            Class.prototype.constructor = Class;

            // And make this class extendable
            Class.extend = arguments.callee;

            return Class;
        };

        return Class;
});
